Swinging table for hydraulic presses.



. Patented Sept. l6, I902.

" swmsme TABLE F UNITED STATES ATENT ()FFICE.

AARON WILKES AND SARAH ELIZABETH GALLAGHER, (ALSO KNOWN AS ELIZABETH G.WILKES,) OF TRENTON, NEWV JERSEY, ADMINISTRATORS OF MOSES WILKES,DECEASED.

SWINGING TABLE FOR HYDRAULIC PRESSES.

SPEDIFIGATION forming part of Letters Patent N 0. 709,285, datedSeptember 16, 1902.

Application filed May 24, 1902. Serial No. 108,801. (No model.)

To all whom, it may concern/.

Be it known that MOSES WILKES, deceased, late a citizen of the UnitedStates, and a resident of Trenton, in the county of Mercer and 5 StateofNew Jersey, did inventa new and usefnl Improvement in Swinging Tablesfor Hydraulic Presses, of which the following is a specification.

The invention relates to certain new and I0 useful improvementsinhydraulic presses used in vulcanizingrubber products.

In the use of vulcanizing-presses the molds are prepared and placedbetween the platens and then subjected to heat and pressure in theordinary and well-known manner, and many and varied forms of presseshave been devised and are in practical use; but in all cases the moldsare prepared upon suitable tables or supports apart or away from thepress, and after due and proper vulcanization has taken place the moldshave to be carried from the press to the receiving table and thereopened or discharged and new molds then again carried from the table orsupport to the press, involving considerable labor and loss of time.

The object of the present invention is to provide the vulcanizing-presswith one or a series of swinging tables, accordingly as one or moreplatens are used in the press, and so that the molds may be preparedadjacent to the press and moved into position to be inserted under theplatens, and after proper vulcanization has been had the molds may 5 bedrawn out upon the tables and swung away from the front of the press andfresh molds readily inserted.

With these ends in view theinvention consists of the combination, with avulcanizing- 40 press, of one or more swinging tables'vibrativelyconnected with the press, whereby the molds supported upon the table maybe brought into position to be expeditiously located under the platensand likewise may be removed from the platens and readily moved away fromthe front of the press in order that other or fresh molds may beinserted.

The invention also consists in the details of construction andarrangement hereinafter explained and specifically claimed.

In order that those skilled in the art to which the invention appertainsmay know how to make and use the same and fully understand itsadvantages, it will be described with reference to the accompanyingdrawings, in which Figure 1 represents a hydraulic vulcanizing-press ofthe most approved construction with the swinging tables constituting thesubject of the presentinvention applied thereto. Fig. 2 represents adetachable frame which is secured to the press and which constitutesthe'pivotal supports for the swinging tables, and Fig. 3 is aperspective view of one of the swinging tables and showingstrenglheningribs on the under side thereof.

Similar letters of reference denote like parts in the several figures ofthe drawings.

A represents the foundation of the press, composed of suitable masonry,upon which the base B of the press is located and suitably anchored.

G represents the corner pillars or posts connecting the base B and thehead D, secured together by suitable screw-threads and nuts E in anobvious and well-known manner.

F illustrates platens for compressing the molds, and any suitable orwell-known means are employed for subjecting the molds to the action ofheat, all of which need not be here described, as the invention relatesonly to the combination, with the press, of swinging tables.

G represents horizontal links or arms, the inner ends of which arepassed over the ends of the corner pillars or posts 0 and rigidlysecured in place by the nuts E. The outer ends of the links or arms Gare located upon shouldered ends of vertical cylindrical rods H, andtransverse brace-bars I are also passed upon the ends of the verticalrods H, thus constituting a frame for the support of swinging tables J,formed with a boss K at the inner corner and with radial strengtheningor stiffening ribs L. The bosses are formed with a channel M, throughwhich the vertical rods pass, and adjustable collars N on the rods H aresecured thereto by set-screws O and located beneath the bosses K of thetables, thus constituting adjustable supports [00 for said tables. Inthe drawings there are illustrated three tables thus connected with eachof the-vertical rods H, and the several tables are so adjustedvertically that two tables (one on each side of the front of the press)occupy the same plane with each of the platens F when in their open orseparated condition.

From the construction shown it will be seen that when the platen is openor in its lowest position to receive a mold said mold being upon one ofthe tables in the same horizontal plane with the platen is brought tothe front of the press by swinging said table into the positionillustrated by the lowermost table at Fig. 1, and when a series of moldsare to be subjected to the action of the press at the same time acorresponding number of tables are swunginto the position described withthe molds upon, and the molds are then forced by hand or otherwise offof the tables and onto theplatens, and, if desirable, the molds may belocated upon metal plates disposed upon the upper surfaces of the tablesand said plates may be forced with the molds onto the platens. Thetables so used to introduce the molds into the press are allowed toremain in front of their respective platens, and during the period oftime the molds are being subjected to pressure and heat those tablesoccupying the open or outer position may be used to prepare additionalmolds for subsequent action by the press, and when the first molds areready to be unloaded or withdrawn from the press they are drawn upon thetables in front of the platens, and such tables are then swung outwardlyand away from the press, and the correspondingly-adjnsted tables uponwhich fresh molds are supported are then swung inwardly to bring suchmolds into position to be introduced into the press, as alreadydescribed. From what has been explained it will be seen that theoperator is enabled to keep his press constantly in use, for as soon asone tableful of molds is vulcanized another tableful is ready and can beexpeditiously introduced to the press.

While the improved swinging tables are shown as applied to avulcanizing-press, it will be understood that the invention is notlimited to any particular press or for any particular purpose, as theymay be advantageously used in connection with any and all kinds ofpresses used for various purposes, and while the tables are shown anddescribed as connected to a specially-constructed framework attached ina simple and economic manner to the pillars or posts of the press theymay be connected by other means in such manner as to be capable ofproper adjustment and capable of the necessary lateral swingingmovement.

Having described the construction, operation, and advantages of theimproved swinging-table attachment for presses, what is claimed as new,and desired to be secured by Letters Patent, isp 1. In combination witha vulcanizing-press and vertically movable platens connected therewith,one or more horizontal tables vibratively connected with the verticalframe of the press and in alinement with the space or spaces between theplatens, whereby molds may be delivered from the table or tables, to theaction of the platens, or removed from the platens to the table,substantially as hereinbefore set forth.

2. In combination with a press, one or more laterally-swinging andvertically-adjustable tables adapted to support and transport molds toand from the press, substantially as hereinbefore set forth.

3. In combination with a press and the pillars or posts thereof, thelinks or arms'G,bracebars I, vertical rods H, and adjustable swingingtables J, substantially as and for the purposes set forth.

4. In combination with a press, a series of swinging tables arranged inpairs on opposite sides, each pair adapted to swingin the samehorizontal plane, substantially as and for the purposes set forth.

In testimony whereof we affix our signatures in presence of twowitnesses.

Witnesses:

ENOOH CRAMER, PHILLIP O. SHEPPINGER.

